Performance Analysis
Refrigeration Training System
A benchtop refrigeration system with water tanks, pressure and temperature measurement, data acquisition and performance-analysis software.

Reference rendering only. Final appearance is subject to confirmed specifications.
Product Overview
COPUSBXLSX ExportR-134a
Key Features
- Compact Benchtop Design: Minimum dimensions of 490 mm (D) x 820 mm (W) x 840 mm (H), optimized for laboratory desktop environments.
- Water-Submerged Heat Exchangers: Condenser and evaporator helical copper coils are immersed in dedicated heat source and heat sink water tanks with embedded temperature sensors.
- Closed-Loop Water Circulation: Features an integrated water pump providing continuous circulation between source and sink tanks for steady-state thermodynamic experiments.
- Instrumentation & Transducers: Includes high/low pressure gauges, electronic pressure transducers, pressure switches, sight glass, filter dryer, and Thermostatic Expansion Valve (TEV).
- Temperature Monitoring: Minimum 4 precision thermocouples placed strategically around the refrigeration loop to evaluate superheating and sub-cooling.
- Color-Coded Circuit & LCD Display: Internationally color-coded piping and onboard LCD screen displaying all live system parameters.
- Integrated Workstation: Supplied complete with Onboard USB Data Acquisition System, custom thermodynamic software, branded Desktop PC, and Offline UPS.
Technical Specifications
| Benchtop Frame Footprint | Min. 490 mm (D) x 820 mm (W) x 840 mm (H) |
|---|---|
| Compressor Unit | Hermetic reciprocating type, 1/8 HP, 4 cm3 displacement; Refrigeration capacity: 329W (EN 12900) |
| Helical Condenser Coil | 12-14 turns of 1/4" OD copper tube immersed in water tank; Heat transfer surface area: ~0.082 m2 |
| Helical Evaporator Coil | 7-9 turns of 1/4" OD copper tube immersed in water tank; Heat transfer surface area: ~0.049 m2 |
| Expansion Control Device | Internally equalized Thermostatic Expansion Valve (TEV) |
| Refrigerant Type | R-134a or equivalent |
| Safety Pressure Trips | Low Side: Pressure 1 bar, Differential 1 bar; High Side: Pressure 14 bar, Differential 4 bar |
| Operating Environment | Temperature: +5C to +30C; Relative Humidity: Min 80% at <30C |
| Acoustic Sound Levels | Max 85 dB within 200 mm of water pump; < 75 dB(A) at 400 mm distance |
| Electrical Requirement | Single Phase, 220 - 240 VAC, 50Hz |
| Standards Compliance | Manufactured in accordance with latest European Union (EU) directives |
Experiment Capabilities
- Practical application and mastery of Pressure-Enthalpy (P-h) Charts.
- Precise determination of superheat and sub-cooling levels across the cycle.
- Basic refrigeration cycle energy balance analysis and heat transfer evaluation.
- Calculation and determination of Coefficient of Performance (CoP).
- Determination of isentropic, non-isentropic, and volumetric efficiencies of the compression stage.
- Investigation of heat source and heat sink water temperatures on system CoP.
- Comparative performance analysis between actual refrigeration cycles and reversed Carnot cycles.
Standard Accessories
Onboard USB Data Acquisition System with software, Branded Desktop PC (HP/Dell/Lenovo, Intel Core i5, 8GB DDR4, 1TB HDD), Min. 18.5-inch HD Monitor (1366 x 768), USB Keyboard and USB Optical Mouse, Offline UPS System (Min. 650VA, 10 min backup), Printed operation and experiment manual
